Question: When did Eugenio Montale retire from their position as senatore a vita?
Paraphrase: When did Eurgenio Montale step down from his position as senatore a vita?
SPARQL (Wikidata): SELECT ?value WHERE { wd:Q83174 p:P39 ?s . ?s ps:P39 wd:Q826589 . ?s pq:P582 ?value}